1994 Fiat Uno starting an idling problem

ITUMELENG

MEMBER

1994 FIAT UNO

228,000 MILES

I'have just overhauld the engine but I can't get the idling an don no the problem, I have changed all the gaskets, plugs an plugs wires, the car don want to cacth the idling, sumtimes it starts an leaves again, we clean the carborator an still, please help me, wat must be done to get it wright